Home / 121,259,229.90-167,337,572.08-69,048,265.44

Finding the Fourth Proportional to 121,259,229.90, 167,337,572.08 and 69,048,265.44

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Solution

The fourth proportional to 121,259,229.90, 167,337,572.08 and 69,048,265.44 is: 95,286,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,259,229.90 : 167,337,572.08 = 69,048,265.44 : x
  2. Step 2: Convert to fraction form
    121,259,229.90/167,337,572.08 = 69,048,265.44/x
  3. Step 3: Cross multiply
    121,259,229.90x = 167,337,572.08 × 69,048,265.44
  4. Step 4: Simplify right side
    121,259,229.90x = 11,554,369,095,064,974
  5. Step 5: Solve for x
    x = 11,554,369,095,064,974/121,259,229.90
  6. Step 6: Final answer
    x = 95,286,512.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.